Type-writer.



F. J. MLLER.

TYPE WRITER.

y APPLIOATIQN FILED MAY 25, 1907. Patented Maly 11' 4 SHEETS-SHEET 2.

F. J. MLLER! TYPE WRITER.

APPLIUATIGH FILED HAI B5, 1007. Patented May 11 `4| SHEETS-SHEET 8.

W4 Pigna F. J; MLLER. TYPE WRITER 921 ,0. urnonlon Hman un an. 1on1.Patented May n; 1909.

4 SHEETS-SHEET 4.

UNITED STATES PATENT OFFICE.

FRANZ JOSEF MLLER, OF FRANKFURT-ON-THE-MAIN, GERMANY.

TYPE-WRITER.

Speccation of Letters Patent.

Patented May 1 1, 1909.

Application led May 25, 1907. Serial No. 376.752.

writer of the class which Eerigmits the p not onl of r t es i0.

meleaeilsritl. limone@ ,an l.O f Vasles.,n.siter The types"i'njflfprvided'i 'the' machine in various ways, either on an integralframe or on wheel sectors, each of the several letters being broughtinto printing position by the operation of a key. I prefer aconstruction where the three upper rows, which include the singlecharacters, are disposed as customary in the typewriter systemsheretofore in use, the said rows to be provided. with a curved base anda similar printing surface while those rows where two or threecharacters are to be printed by one operation are provided with smalleven surfaces7 because the printing surfaces of two or three letters tobe printed all at one time must not be curved, as in this case themiddle portion of each letter or the middle letter in a s llable wouldbe 4printed stronger than t e remainder or the side letters. To avoidthis the printin frame is in those places where there 4are sy ables or aplurality of characters to be printed at one time, provided with smallfacets.

The drawing herewith shows constructions of a type frame as well as ofthe several parts of a machine, such as the operation of the type frame,the hammer and so forth, the vertical space shifting of the carriage,all hereinbelow set forth.

Figure 1 is a vertical, longitudinal section through a typewriterprovided with a parted type frame, a vertica y movable late with prmtinapertures and a device or raising the entire t pe sectors and turningthe sectors severa y into rinting osition; Fig. 2 shows a plan view ol)Fig.' 1; ig. 3 is a vertical, lon itudinal section throu h part of a.type writer of the class referre to provided with an integral type frameand a horizontally movable printing late; Fi 4 is a front view of thehorizonte. y Inova le fprinting plate; Fig. 5 is a perspective view o aham- Mares accus mala.

mer by means of which any types occupying a lar er space than those forsingle letters may e brought to impression, the hammer adjusting itselfautomatically; Fig. 6 is a side view of the device shown in Fig. 5 withthe hammer as operating; Fig. 7 is a section through the shifting deviceof the carriage; Fig. 8 shows the limit of its vertical movement andFig. 9 is a plan view of the shifting device.

The type frame as shown in Fig. 1 is com posed of several sectors 1which are with their hubs 2 severally mounted on a movable vertical axle3 which has an annular enlargement 4 supported in the hub 5 of the plate7 which is 1n turn carried by osts 6. To bring the several type rows o aframe in working position and height, that is at the level at which theimpression of the t pe is made, there are provided beneath t erespective key rows the balancing supports 8 (see Fig. 2) fulcrumed soas to move about a shaft 9 supported in blocks 10. The depression of oneof the keys T and the simultaneous depression of one of the saidsupports 8 causes a rotatory movement of the shaft 11 which is likewisebearing in the block 10, such movement being by another balancingsupport lever 12 which is provided beneath and controlling all of thesaid supports 8, transmitted upon the lever 13, also secured on theshaft 11 and extending either below a hub of a lever 14, hereinafterreferred to a ain, or beneath a catch in the main shaft 3, t e typesectors 1 or the ty e frame being thereby raised so far as to lace theletter or s liable to be rinted in t e correct writing eight. Thefullcrums 2 and 11 being nearer to the keys (see Figs. 1 and 2 in whichfor want of space the device is shown crowded and the levers broken) theshaft 3 and therewith the tyjpe rows are always raised sufficiently to otain a print therewith` To secure the ad.- justment of the several typesor syllables of the sector, which is to be raised into the correctwriting position by means of the proper rotatory movement of each of theseveral ty e-sectors the hub of each sector has a ho kow extension 15 inwhich slides one of the rods 17 provided with a globular head 16, thelatter engaging the middle member 18 of a triple-armed angular lever,the hub 19 of which turns on a vertical shaft secured in the bearings20, the other arms 22 extending to both sides of the machine from thetype frame (see F ig. 2). On operating one of the keys of the iirst rowthe u most ty e sector 1 will swing to the right or left and therespective letter appear just according to the force of the operation orthe )osition of the key,right or lel't or in the midd e. On touching thesecond or any of the next following key rows all oi' the type sectorswill by means of the aforesaid balancing supports 3 and 12 be raised atthe same time. To permit this simultaneous raising the members 13 of thetriple-armed angular levers are extensible, i

bemg composed each ol two rods oi' which the upper is connected with thelower by means of pins 23 sliding in a suitable slot.

The oihce oi' the rods 17 sliding in the eX- tensions 15 is to permitthe sectors to make outward strokes as they turn around the axle 3 Whilethe arms 17 move only horizontally. By the interior springs 24 the saidangular levers 18, are brought in horizontal position. The stroke oi theke s T is regulated by the iront board 25 provided for the purpose withnotches of different lengths. The key levers 26 are all fulcrumed in ashaft 28 mounted on supports 27.

To reduce the friction between the hubs 2 there may be provided ballbearings 29 between each two of the said hubs.

The key levers 26, the main oice of which is to produce the rotatorymovement of the several type sectors, have i or a short distance a deadmovement to avoid the de ression of other key levers by the action o thetriple armed angular lever 18, 22, and which may also be employed forraising the type sectors to obtain a proper sequence of the severalactions.

Close in front of the type frame there is provided a sliding plate 30which has several apertures of different sizes, each size correspondingrespectively with the widths of the types of the type frame, so thateither one or two letters or more letters, according to the keyoperated, passes the respective aperture. The first three rows of keys oerate those types which bear the letters or c aracters occupying eachone space only and therefore, the aperture which has the size adaptedfor the assage of one letter only will be required fllir the printingposition while on operating a type of any of the other rows oi' the keyboard, which permit the printing at one time of two or three lettersrespectively the aperture large enough for the passage of the respectivenumber of characters should be in Working position. To obtain the roperposition oi each a erture the plate 30 is vertically sliding in a rame31 whlch may be secured in any suitable way in the aforementioned plate7, the said plate 30 bein by its own Weight constantly kept at suc levelthat the aperture which corresponds with the respective character is inits required position, being moved by means of the aforementioned lever14 secured in the vertical axle 3 and rising with the sector 1. When thelatter has been lifted far enough that two or three letters,respectively, are to be printed at one time the lever 14 hascorrespondingly raised the plate 30 so that the aperture 'l'or therespective number olA letters is in the required position.

ln the typewriter represented in Figs. 3 and 4 the construction of thetype frame is different, the same being made ol' one integral pieceinstead of being composed of a plurality ol independent sectors. Thereap pears in this construction the disadvantage that when one of thetypes has been Worn out the entire frame has to be replaced whileA inthe lirst described combination only one row oi' types need beexchanged. As, how-1 ever, only the axle requires a rotatory move ment,which may be brought about by means of a toothed sector, a differentoperating device is to be employed. As shown in Figs. 3 and 4 the plate30 may slide horizontally and the apertures 32 be disposed side by sideto each other, the horizontal movement being brought about by means ol'an inclined slot 33 in the plate 30 in which the lever 14 moves Whileraising the aXle.

rlhe printing of the types may be eiectuated by one or more hammers.hammers are employed they should be o'l` different widths as the use oione or more letters at a time may require. They are operated in theknown Way shown in Fig. 3. The hammer 34 may, however, be made asillustrated in Fig. 5, its disengagement being executed by any suitablemeans; it has three rejecting pieces 35, 36, 37, each oi' the size o thespace of a letter, the first iece 35, being rigid While the others, 36an 37, are rotatable on a pivot 38. There is further provided a bar 40having a notch 34, the said ar being `from the shaft 41 horizontallymovable by means of a crank 42 in the stand 43.

When it is desired to print a sin le letter the pieces 44 and 45projecting rom the pieces 36 and 37 touch the bar 40 and are therebytilted over as shown in Fig. 6. On the operation of a two-letter key thecrank 42 moves throu h the rotatory movement of the vertical sha t 41the bar 40 so much aside that the piece 44 asses the notch 39, theprojecting piece 37 eing tilted over as aforesaid. When a three-letterkey is operated the two pieces 44 and 45 pass the notch 39 so that thethree pieces 35, 36, 37 are brought to action. After the operation allparts return to their normal positions, the pieces 36 and 37 being keptin the osition shown in Fi 5 by means of suitab e springs.

or the construction as shown 1n Fig. 3 a vertical shifting or spacing'to adjust the carriage in vertical direction permitting the printing ofcapitals, gures and other char- W hen more acters is provided. With thevertically and horizontally moving carriage is rigidly connected agroove 65 (Fig. 7), in which engages the roller 66 of the shift lever 67(Fig. 7). To shift the carriage from the small-letter position to themiddle or capital-letter position, the key 68 (Fig. 9) should bedepressed which is by the cranks 7 (l, 71 connected with a shaft 69 andmounted on the shaft 72, this construction transmitting the movement o'Fthe shal't 69 upon the shifting lever 67 (Figs. 7 and 9) which isthereby tilted and rises by means oi the roller 66 of the carriage untilthe shifting' lever touches with its left end the screw 37. By this waythe lift of the car riage is exactly cimtrolled. But when the carriageis to be brought to its upmost position, to be adapted for the printingoi' characters or figures, this may be done by operatingr the key 74(Fig. 9). In this case the drawing rod 75 connected with the said key 74draws forward the arm 76 so that the detent 7 3 which in Fig. 8 is onthe opposite end oll the arm 76 becomes withdrawn from beneath theadjusting lever 67 while the detent 77 arrives beneath the saine. Thispermits of a deeper travel of the arm 67 with its left end andconsequently to raise through the roller 56 the carriage to acorrespondin ly higher level. 'I he key lever 74 is movaly connectedwith the shaft 7 2. 0n releasing the key all parts return into theirnormal positions. By means of the catch 78 for the operation oi the key7 4 the key 68 is also de pressed at the same time so that also by thisway a rotatory movement of the shaft 72 may be obtained.

What I claim as new and desire to secure by a United States LettersPatent is 1. In a typewriter of the class where the keyboard compriseskeys printing one, two or more characters at one time, the combinationof horizontal wheel sectors mounted on a vertical axle, facets on theperiphery o'lthe said sectors adapted to bear types occupyinga largerspace each than a single letter, a grooved extension to the hub of eachoi` the said sectors, a rod 17 having a globular end 16 sliding in eachoi' the said extensions, a triple armed angular lever controlling thesaid rod, the arm 22 of the said lever being supported on an axle in ahanger suspended from a plate 77 a spiral spring 24 jointed to each ofthe said arms 22, keys adapted to act upon the said s rings7 avertically and horizontally inovab e plate 30 in guides 31, apertures inthe said plate 30 corresponding in size with the i'aces of the 011e-,two, threeletter types, respectively, and disposed in corres ondencewith the corres ending keys.

2. n a type writer of the c ass described the combination of a hammerhaving a rigid piece and similar pieces which are yieldingly tilting andcorresponding each in size with. the width of a letter, catchesemanating from the said pieces, a bar vertically movable for distancescorresponding with the widths of the 011e-, two, three-letter types, anotch in the said bar, the said bar being within reach of the saidcatches.

In testimony whereof I have signed my name to this speciiication in thepresenceof two subscribing Witnesses.

FRANZ JOSEF MLLER.

Vitnesses:

CARL WINTERLING, JEAN POELLATH.

